python file operations
import json
data = {'name': 'charles'}
file_name = "file_name.json"
with open(file_name, 'w') as file_obj:
json.dump(data, file_obj)
import json
file_name = "file_name.json"
with open(file_name) as file_obj:
data = json.load(file_obj)
print(data['name'])